Cement tile with light-pane.



'PATENTED JULY 23, 1907.

I. H. FREUND. CEMENT TILE WITH LIGHT PANE.

APPLICATION FILED DBO.3.1906.

T LL wlT'NEssEs.

nNvEN-ron.

IveNATz H. FREUND, oF BEAVER, PENNSYLVANIA.

CEMENT TILE WITH LIGHT-PANE.

Specication of Letters Patent.

Patented July 23, 1907.

Application filed December 3,1906. Serial No. 346,089.

To all whom it may concern.:`

Be it known that I, Iasmzz H. FREUND, a resident of Beaver,'in thecounty of Beaver and State of Pennsylvania, have invented anew anduseful Improvement in l Cement Tiles with LightgPanes; and I do herebydeclare the following to be a full, clear, and exact descriptionthereof.

This invention relates to illuminating tiles and more especially totiles used for roofing purposes.

' The invention comprises a cement or concrete tile having'acomparatively thin and light body with a sheet Lof glass embeddedtherein, all as hereinafter described and claimed. v

vIn the accompanying drawing, Figure l is a plan view, partly brokenaway, of my improved tile, and Fig. 2 is a section thereof on the line 22, Fig. `l.

My invention comprises a tile having a body l of comparatively largesuperficial area and comparatively thin, the body 1 thereof being formedof cement or concrete and provided with a large opening 2, which'issurrounded by a' ledge 3 upon which is'seated a sheet of glass 4.

- The edges of this sheet are embedded in the cement and held in placeby adhesion, being putin place when the tile is molded so that itpractically becomes integral with the cement. As an additionalprecaution, a portion of the cement, as-at 5, is worked over the top orouter face of the' glass so as to moresecurely hold the v eled, asshown, so as to provide a comparatively fiat' 30 same in position. Thiscement portion is sloped or bevouter or upper surface and thus preventthe lodgment of rain or snow.

The tile body may be composed only of cement but i to give additionalstrength and prevent pieces from falling if the tile should crack, it ispreferred to embed in the cement body metal or similar reinforcement,such as the expanded metal shown at 6. For similar reasons l the sheetof glass 4 may be reinforced by having embedded therein a metal trellis7 such glass being what is ordinarilyknown as wire glass.

The tile is formed with interlocking portions for attachment of one tileto the adjacent ones andialso suitable means for hooking over orotherwise attaching to the roof purlins or frame members.

The tile shown in the drawing is provided at one'end on its lower facewith the hook member, indicated by the dotted line 8, for hooking overthe roof purlins, and at its edges is provided with ridges 9 forreceiving the interlocking member. Inasmuch, however, as these featuresmay be varied within wide limits, and are not claimed, they are notshown in detail. The tile may, if desired, be made without theseinterlocking features.

The tile described is intended more especially for bridging largeopenings, 'such as formingV roofs of buildings, such as shops andfactories, through which it is desired to obtain'light. The tile body isof comparatively large superficial area and comparatively thin and theglass sheet likewise is comparatively large and thin.

One dimension made has the body of the tile 52 long, 2li/f wide andthick, and the glass sheet 22 long, 10 wide and about T55 thick. Thetile, therefore, is strictly speaking, a slab and not a block and theglass is, strictly speaking, a sheet.

I am aware that heretofore illuminating tiles have been made but in allcases, so far as I am aware, the tile required some metal frame or framemembers in order to support the same or else thebodies thereof have beenof comparative small superficial area and comparatively great thicknessand the glass has been practically in the form of a thick block andusually held in place by metal members. My tile differs radicallytherefrom as is apparent from the foregoing description.

The cement and glass have practically identical coefficients ofexpansion and, as the glass i`s embedded `in the cement while the latteris being molded, a very close adhesion or bond is formed between thetwo. The glass and cement practically become one integral mass and theglass cannot be removed without destroying the body ofthe tile.

The tile described is a combination of cement and glass and is or may bean exact counterpart of the standard roofing tiles and formed tointerlock with'the same as does any other roofing tile. This tile isvcapable of being provided-with hooks to take over the roof purlins andto interlock with the standard roof plates, being laid loosely so thatit will take expansion and contraction as well as vibration. Tlie tileitself, and also the glass, while comparatively thin, are reinforced ina manner to expose no metallic portions on the vsurface and no-metalframe is required to carry either the tile or the glass. The latter iscarried entirely by the cement body. The surface of the'tile iscomparatively even and has no projecting portions to stop the rain orsnow so that it is practically self-cleaning and enablesI the glass tolgive maximum light. It is unnecessary to flash the tiles themselves orthe glass in the tile' in order to make a water tight joint. When wireglass is used the tile is practically fire proof, as the glass isembedded in the cement and becomes an integral part ofthe latter.

What I claim is:

1. -.\n illuminating tile comprising a thin slab of cement provided witha large opening, and 1 sheet of glass covering said opening und havingits edges embedded directly in the cement body and held in place by thesetting of the Icement around the edges of the glass.

2. An illuminating tile comprising a thin concrete slab provided with alarge opening having a rabbet surrounding the same, and a sheet of glnssseated directly on said rubber :1nd molded in the coulent. being held inplace by tho setting of thc cement mound the edges of the glass.

it. An illuminating vtile comprising n thin cement slab provided with nlargo opening having a. i'abbct surroundim.: thc lsumo. and a sheet ofglass resting on said rabbet, :l portion of the cement body being moldedover thc outer sui-face of the glass.

4. An illuminating tilt` comprising n lhln slab of cement los havingmetal reinforcement embedded therein and provided with iin opening, anda sheet of glass covering said opening land having its edges embeddeddirectly in tbe cement and held therein by the setting of the cementaround the edges of the glass.

5. An illuminating tile comprising a thin cement slab provided with alarge opening, and a sheet of wire glass covering said opening andhaving its edges embedded dil rectly in the cementand held therein bythe setting of the 10 cement around the edges of the glass.

6. An illuminating filo comprising a thin slab of cement having metalreinforcement embedded therein `and having a large openingand a sheet ofwire glass covering said opening' and having its edges embedded directlyin thez cement and held therein by the setting of the cement around thcedges of the glass.

In testimony whereof, I the said IGNivrz H. FREUND have hereunto set myhund.

IGNATZ H. FREUND.

Witnesses r A. S. LownN'rHAL, JOHN N. BECKMAN.

